:root {
  --bg: #0F172A;
  --surface: #1E2937;
  --surface-light: #334155;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --accent-blue: #67E8F9;
  --accent-gold: #FCD34D;
  --accent-purple: #A78BFA;
  --border: #475569;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16.5px;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--accent-gold);
}

/* Header */
header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.4rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--text);
}

/* Hero - Split Screen */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  align-items: center;
}

.hero-left {
  padding: 4rem 3rem;
  max-width: 620px;
}

.hero h1 {
  font-size: clamp(3.4rem, 6.5vw, 5.2rem);
  line-height: 1.05;
  font-weight: 800;
  margin-bottom: 1.75rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.8rem;
  background: var(--accent-blue);
  color: var(--bg);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: all 0.4s ease;
}

.cta-button:hover {
  background: var(--accent-gold);
  color: var(--bg);
  transform: translateY(-3px);
}

.hero-right {
  background: linear-gradient(135deg, var(--surface), #1E3A5F);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-right::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(103, 232, 249, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

/* Dashboard Style - Card Grid */
.dashboard {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.dashboard h2 {
  font-size: 2.1rem;
  margin-bottom: 2.5rem;
  text-align: center;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2.25rem;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
}

.card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.3);
}

.card h3 {
  font-size: 1.45rem;
  margin-bottom: 1.1rem;
  line-height: 1.3;
}

.card .excerpt {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1.75rem;
  line-height: 1.65;
}

.read-more {
  font-weight: 600;
  color: var(--accent-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.read-more::after {
  content: '→';
  transition: transform 0.3s ease;
}

.card:hover .read-more::after {
  transform: translateX(6px);
}

/* Form */
form {
  max-width: 580px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.9rem;
}

input, textarea {
  width: 100%;
  padding: 0.95rem 1.15rem;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(103, 232, 249, 0.1);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 1.1rem;
  background: var(--accent-blue);
  color: var(--bg);
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.4s ease;
}

.submit-btn:hover {
  background: var(--accent-gold);
  transform: translateY(-2px);
}

/* Footer */
footer {
  background: #020617;
  padding: 4rem 2rem 2.5rem;
  margin-top: 6rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .hero {
    grid-template-columns: 1fr;
  }
  
  .hero-right {
    min-height: 320px;
  }
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
  font-size: 0.9rem;
}

.disclaimer {
  max-width: 1280px;
  margin: 3.5rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: #64748B;
  text-align: center;
}

/* Article Page */
.article-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 3.5rem 2rem 5rem;
}

.article-page h1 {
  font-size: 2.95rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.article-meta {
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  font-size: 0.9rem;
}

.article-content {
  font-size: 1.08rem;
  line-height: 1.8;
}

.article-content h2 {
  margin: 2.75rem 0 1.25rem;
  font-size: 1.65rem;
  color: var(--accent-gold);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .hamburger {
    display: flex;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
}